Lyme disease is caused by a spirochete, Borrelia burgdorferi. A spirochete is a type of bacterium. Lyme disease is transmitted to dogs through the bite of a tick.. Lyme disease is transmitted to dogs through the bite of a tick. Once in the blood stream, the Lyme disease organism is carried to many parts of the body and is likely to localize in joints.
Possible neurological symptoms include: 1  muscle weakness in one area. 2  poor decision-making or concentration. 3  involuntary twitching. 4  trembling. difficulty speaking or swallowing.  seizures.
Symptoms of Encephalitis. Clinical signs of encephalitis depend on the area of the brain that is affected. Symptoms typically appear suddenly and are rapidly progressive. If the forebrain is involved, there can be seizures, blindness, behavior changes, depression, and circling.